-68.32% is the change from 202 to 64
Calculation steps:
[( 64 - 202 ) ÷ 202] x 100 = -68.32%
Formula
Percentage change = [(64 - 202) / 202] x 100
Subtract the new number by the original number
64 - 202 = -138
-138 ÷ 202 = -0.6831683168316832
-0.6831683168316832 x 100 = -68.32%